| Acronym | Meaning |
 | OGO | Orbiting Geosurvey Observatories |
| NASM | National Air And Space Museum |
| MJD | Modified Julian Date |
| SSPS | Sky Survey Prototype System |
| GOMR | Global Ozone Monitoring Radiometer |
| IMU | Inertial Measurement Unit |
| SSME | Space Shuttle Main Engine |
| ENAC | Energetic Neutral Atom Camera |
| SPAS | Space Pallet Satellite |
| DSS | Deep Space Station |
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